High severity · published Jul 17, 2025
CVE-2025-7747
Tenda FH451 POST Request WizardHandle fromWizardHandle buffer overflow
8.8
CVSS
1%
EPSS
No
On KEV
Description
A vulnerability classified as critical has been found in Tenda FH451 1.0.0.9. This affects the function fromWizardHandle of the file /goform/WizardHandle of the component POST Request Handler. The manipulation of the argument PPW leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 63% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FH
FH451 · Tenda
1.0.0.9 · source: vendor
FF
Fh451 Firmware · Tenda
1.0.0.9 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-7747
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-7747
Exploit
https://github.com/zezhifu1/cve_report/blob/main/FH451/fromWizardHandle.md
Exploit
https://github.com/zezhifu1/cve_report/blob/main/FH451/fromWizardHandle.md#payload
Permissions Required
https://vuldb.com/?ctiid.316737
Third Party Advisory
https://vuldb.com/?id.316737
Third Party Advisory
https://vuldb.com/?submit.615487
Product
https://www.tenda.com.cn/
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